Paintbrush



FIG. 1 is an elevational front view of a paintbrush in accordance with the present invention;

FIG. 2 is a top plan view of the paintbrush in FIG. 1;

FIG. 3 is a bottom plan view of the paintbrush in FIG. 1;

FIG. 4 is an elevational left-side view of the paintbrush in FIG. 1;

FIG. 5 is an elevational rear view of the paintbrush in FIG. 1;

FIG. 6 is an elevational right-side view of the paintbrush in FIG. 1; and,

FIG. 7 is a perspective view of the paintbrush in FIG. 1. 

CLAIM The ornamental design for a paintbrush, as shown and described. 